/*
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package io.trino.filesystem;

import java.io.IOException;
import java.util.NoSuchElementException;

public interface FileIterator
{
    boolean hasNext()
            throws IOException;

    FileEntry next()
            throws IOException;

    static FileIterator empty()
    {
        return new FileIterator()
        {
            @Override
            public boolean hasNext()
            {
                return false;
            }

            @Override
            public FileEntry next()
            {
                throw new NoSuchElementException();
            }
        };
    }
}
